How-To Guide

FURUNO DRS6A/12A/25A-NXT
SP - 1 E3668S01B-M
190718
SPECIFICATIONS OF RADAR SENSOR
DRS6A/12A/25A-NXT
1 ANTENNA UNIT
1.1 Antenna type Slotted waveguide array
1.2 Antenna length 3.4 ft (XN10A), 4 ft (XN12A), 6 ft (XN13A)
1.3 Horizontal beam width 2.3° (XN10A), 1.9° (XN12A), 1.35° (XN13A)
RezBoost effective beam width*
1.15° to 2.3° (XN10A), 0.95° to 1.9° (XN12A), 0.7° to 1.35° (XN13A)
*: RezBoost provides better echo resolution, in a manner similar to adjusting the beam width.
1.4 Vertical beam width 22°
1.5 Gain 27.5 dBi (XN10A), 28.5 dBi (XN12A), 30 dBi (XN13A)
1.6 Sidelobe attenuation
XN10A -20 dB (within ±10°), -28 dB (±10° or more)
XN12A -27 dB (within ±10°), -34 dB (±10° or more)
XN13A -29 dB (within ±10°), -37 dB (±10° or more)
1.7 Rotation 24/36/48 rpm range coupled or 24 rpm fixed
1.8 Relative wind load 70 kn or less
2 RADAR FUNCTION
2.1 Tx frequency 3 channel, auto/manual selectable
Ch.1 (P0N/Q0N) 9380/9400 MHz
Ch.2 (P0N/Q0N) 9400/9420 MHz
Ch.3 (P0N/Q0N) 9420/9440 MHz
2.2 Output power
DRS6A-NXT 25 W
DRS12A-NXT 100 W
DRS25A-NXT 200 W
2.3 Duplexer Ferrite circulator with diode limiter
2.4 Intermediate frequency 83.75/103.75 MHz (P0N/Q0N)
2.5 Range scale 0.0625/0.125/0.25/0.5/0.75/1/1.5/2/3/4/6/8/12/16/24/32/36/48/64/
72/96* *: DRS12A/25A-NXT only
2.6 Pulse length P0N: 0.04 to 1.2 μs, Q0N: 5 to 48 μs
2.7 Pulse repetition rate
DRS6A-NXT 700 to 2000 Hz approx.
DRS12A /25A-NXT 550 to 2000 Hz approx.
2.8 Minimum range
DRS6A-NXT 10 m
DRS12A/25A-NXT 6 m
2.9 Range resolution 10 m
2.10 Range accuracy Within 1% of range in use
2.11 Bearing accuracy Within ±1°
2.12 Warm-up time Nil
2.13 Target tracking (TT) Auto or manual acquisition: 100 targets between 0.1 and 24 NM
Past position: 5/10 pts on all activated targets
Vector time: 1 to 60 min.